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In many cases, it is not the internal valve body that is damaged, but the stubborn dirt and impurities inside, especially in the valve body, the dirt and impurities accumulate to form a blockage, resulting in the inability to achieve effective adjustment of oil pressure, resulting in the occurrence of frustration impact slippage. At the same time, the problem of high temperature of the gearbox cannot be ignored. According to the Automatic Transmission Repair Association, it is called
More than 90% of all faulty automatic transmissions are caused by overheating. High temperatures can damage the quality and friction characteristics of the transmission oil, increase friction and wear, and transmission noise will follow, as well as sludge (impurities or dirt) will also be generated inside the transmission (e.g. valve body), causing the transmission to stutter and shock. If the temperature exceeds 120 °C, the rubber sealing material will begin to harden, eventually leading to leakage and reduced hydraulic pressure.
If the temperature is higher, the gearbox starts to slip, which in turn causes the temperature to rise even higher. (Audi and other high-end models will call the police and enter the transmission protection mode) If it is not solved in time, the transmission will be scrapped. Therefore, only by removing the stubborn dirt and impurities in the gearbox and effectively controlling the working temperature of the gearbox can the gearbox problem be completely solved and prevent its recurrence.
This is also the key to solving transmission failures without dismantling and repairing, and the specific content can be seen in detail!
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Is there a time when the revs are very high?
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If the transmission makes an abnormal noise when the vehicle is driving at low speeds, and it still occurs after the vehicle accelerates and when the gear is in gear, it may be caused by poor gear meshing in the transmission. Generally speaking: if the noise is small and uniform, it can still be used, if the abnormal noise is uneven and the noise is very loud, it should be removed for inspection, and repaired or replaced.
Note: If the gearbox makes a rhythmic sound when the engine is idling, and the sound is more obvious after increasing the throttle, and the vibration of the transmission will also be felt, it is generally caused by the tooth surface peeling or the broken tooth tooth. If the assembly is misaligned during repair, the center of the gear is offset, and this noise will also be made, in which case it should be removed immediately for inspection, and if necessary, replace the new part.
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Answer Wuling Hongguang gearbox abnormal noise solution: first look at whether the gearbox oil is missing, if it is missing, add oil; If there is no shortage of gearbox oil, the main thing is the abnormal noise caused by the bearing, then carefully check the bearings of the first and second shafts, and the general gear is very damaged. It is recommended to go to a 4S shop or repair shop for inspection and repair.
6. The possibility of other aspects is not ruled out, and the actual vehicle test results shall prevail.
Asking questions and the gearbox is ringing, the sound of pimples, the new car is like this, and I bought it with zero down payment, which makes me how good [tears] [tears] [tears].
When asked, he told me that it was enough when it left the factory.
Question: Please ask the teacher, what should you do if you encounter this situation, and ask him to change it.
1. For abnormal noise caused by lack of oil or lack of oil, it is recommended to add transmission oil.
2. Due to the abnormal noise caused by the quality level of the filled oil and the regulations of the original car, it is recommended to replace the original oil.
There are only these two cases, otherwise there would be no such problems.
Although it is said that it is not a common problem, it is not like this for new cars.
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One method: play the car in the morning, idle to warm up for 30 seconds (standard hot car time), and then step on the accelerator in neutral to 2500 to 3000 rpm or so, and keep it steady for 1 minute, do not release the throttle, if you run for 1 minute without "clacking" abnormal sound, release the throttle, and then step on the throttle to 2500 to 3000 rpm to stabilize for 1 minute, if there are no cycles 4 times, then there is really no.
The second method: hit the car in the morning, idle preheating for 30 seconds (standard hot car time), and then drive in the first gear normally, when the second gear is linked, step on the accelerator to 2500 to 3000 rpm, and drive at this speed for 5 minutes, during which you can release the throttle to 1500 rpm many times, but loose to 1500 rpm immediately to the accelerator to 2500 rpm or 3000 rpm, drive in second gear, do not hang the third gear or more than the high-speed gear (go too fast and the wind noise is not audible). If there is no "click" abnormal sound, it means that there is no problem.
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The abnormal noise of the gearbox of this model is a big problem, if the noise is serious, it is recommended to go directly to the 4S shop for maintenance.
There are three main reasons for the sound inside the gearbox:
The bearing is damaged, but after stepping on the clutch and cutting off the power, there will be no load sound and the sound will be smaller;
Tooth surface pitting, because there is no load, after cutting off the power, the speed of one shaft will be reduced, and the sound will gradually decrease;
The scratching of the synchronizer gear sleeve and the joint tooth, due to the wear and tear of the shift fork during use, will cause the gear sleeve position to be not in the center to a certain amount, there is a possibility of scratching, and the sound will gradually decrease after the clutch is stepped on.
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First of all, find out under which working conditions the abnormal noise occurs, is it the abnormal noise when changing gears? Or is it an abnormal noise when you press the clutch pedal? Or is it an abnormal sound when accelerating?
If it is accelerating, is the squeak only in certain gears? and so on......Describe the problem clearly and accurately, which can help you find the cause of the problem and save detours.
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Check the oil level of the gearbox first, and go to the service station to repair it normally.
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If there is an abnormal noise in gear shifting. The clutch should be checked first. Whether the separation is not complete.
If the clutch disengages thoroughly. So should the oil on the check gearbox be changed? If you have just changed the oil with a new one.
Need to check if the external connecting parts of the gearbox are in good condition? If it is normal, it means that there is an internal fault in the transmission.
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The reason for the abnormal sound of Wuling Hongguang S in the first gear and the second gear may be the abnormal timing of the throttle or the gear and speed are not compatible. The following is a detailed introduction to Wuling Hongguang: 1. Overview:
Wuling Hongguang is the first cross-border independent research and development product between commercial vehicles and passenger vehicles launched by SAIC-GM-Wuling. The product is designed with a smooth shape, and a spacious driving space with variety and practicality. 2. Others:
The fuel tank volume is 50L. The standard number of seats is seven. The seats are made of leather.
It is equipped with two engine wide engines designed and manufactured according to General Motors' global powertrain standards. On the premise of ensuring abundant power, it shows good fuel economy.
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Summary. Dear, hello, Wuling Hongguang S shift frustration and abnormal sound may be caused by poor gear meshing in the gearbox. In general, if the noise is low and uniform, it can still be used. If the noise is uneven and loud, it should be removed for inspection, maintenance or replacement.
Dear, hello, Wuling Hongguang S shift frustration and abnormal sound may be caused by poor gear meshing in the gearbox. Generally speaking, if the noise is low and uniform, it can still be used. If the noise is uneven and the beam is blocked, it should be removed for inspection, maintenance or replacement.
There is a lot of frustration when changing gears in a new car.
Gearbox Expand: When the engine is idling, the gearbox emits a rhythmic sound, which becomes more pronounced when the throttle is increased. At the same time, the vibration of the gearbox is felt, usually caused by spalling or broken teeth.
This sound can also be emitted if the repair and assembly are misaligned and the center of the gear is offset. In this case, it should be immediately dismantled for inspection and, if necessary, replaced with a new one.
Pro, the car transmission oil loses the slippery effect of this grip, and the transmission oil needs to be replaced in this case. Transmission oil can lubricate the gears in the gearbox, and if it is not replaced in time, the lubrication effect of the transmission oil will be reduced. When the car is cold, there will be a sense of frustration, which is a normal situation, so it is recommended to warm up the car first when necessary.
In colder weather, the viscous fit of the gear oil in the gearbox decreases, and the lubrication effect is greatly reduced.
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Summary. Dear, I'm glad to answer your <>
The reason for the clutch clanging of Wuling Hongguang S gear shift is that it is a problem with the clutch plate, because the fastest manual gear is the clutch plate, which has been in a semi-linkage state, which will cause the accelerated wear of the clutch plate, and the sound of the bell will appear when the clutch is released. <>
<> Wuling Hongguang S shifts loosely, and the clutch clangs.
Dear, I'm glad to answer your <>
The reason for the clutch sound of Wuling Hongguang S shift looseness is: it is a problem with the clutch plate, because the fastest manual gear is the clutch plate, which has been in a semi-linkage state, which will cause the clutch plate to accelerate the wear and tear, and there will be a bell sound when Tong Jie Fang Zi holds the clutch. <>
<> hello dear, extended content: 1. The separation bearing has serious wear and loss of start-up, lack of oil, and the bearing return spring is too soft, broken and falling off. 2. Separation lever, bracket pin and hole wear loose imitation draft.
3. The pedal return spring is too soft, falling off and breaking. 4. The rivet of the driven disc is loose, the steel sheet is broken, and the vibration-damping elastic is broken. <>
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The reason may be that the clutch friction plates are uneven. If the clutch friction plates are uneven and combined with the clutch, it may cause the transmission to shake and make abnormal noise. The solution to this problem is to replace the fitter's clutch plates.
The clutch is an important component in the drivetrain of a car, installed between the engine and the transmission.
The clutch pressure plate is fixed to the engine flywheel, and the clutch plate is located between the pressure plate and the engine flywheel.
When you press the clutch pedal, the clutch disengages, and when you press the clutch pedal, the clutch engages.
There is a spline in the middle of the clutch friction plate, which fixes a transmission shaft, which is the power input shaft of the gearbox.
There are many reasons for uneven clutch plates, most of which are caused by improper operation.
It is recommended that you maintain correct driving habits when using the car, which can prolong the service life of the disjunctor piece.
As the mileage increases, the clutch plates wear out and need to be replaced.
Replacing the clutch plates is cumbersome. When replacing the clutch plates, it is necessary to disassemble the connection between the engine and the gearbox, and then the entire gearbox is hoisted down. Only then can the clutch plates be replaced.
The clutch plate of the car is generally used for 100,000 kilometers without replacement.
Millions of car purchase subsidies.
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